Hey check out DIY charcoal fixtures. I read a thread on here where someone used one of those fans that blow up those christmas blowup things. also there is this ozone plugin its like 20 something dollars that people swear by. Amazon.com: Customer Reviews: GT50 Professional-Grade Plug-In Adjustable Ionic Air Purifier its from this thread https://www.autoflower.org/f44/newbie-tools-what-needed-why-come-contrbute-7445.html